B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
182/19
B01D 24/46 (2006.01) B01D 29/01 (2006.01) B01D 65/08 (2006.01)
Patent
CA 1321952
VACUUM SUCTION TYPE ANTI-CLOGGING AND DIALYSIS DEVICE FOR FILTRATION SYSTEMS ABSTRACT OF THE DISCLOSURE A method and apparatus wherein a conventional vacuum operated filter unit which generates a positive pressure on the particulates in a suspension against a filter membrane is converted into an anti-clogging filter unit through addition of a supplemental device which generates a counteracting negative pressure on the suspension as it is being filtered, thereby pulling the particulates in the suspension away from the filter membrane. A conventional vacuum-operated filter unit which causes the suspension to be pulled toward the filter membrane by a vacuum source and thereby creates clogging of the filter membrane with particulates from the suspension is converted into an anti-clogging filter unit by the addition of a supplemental device placed into the top chamber of the filter unit wherein the supplemental device generates a negative pressure on the filter membrane through a second vacuum source acting on the supplemental device which causes the particulates to be pulled away from the filter membrane as the suspension is filtered and permits the retentate to rest within the top chamber of filter unit while the filtrate rests within the bottom chamber of the conventional vacuum-operated filter unit.
607165
Smart & Biggar
Yen Richard C.k.
LandOfFree
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